---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33205 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 22% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 789 5073 4 2371 7152 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:17:a7:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81010sec preferred_lft 81010sec inet6 fe80::f816:3eff:fe17:a7db/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33205) 07/06/26 _x86_64_ (2 CPU) 00:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:20 1.33 0.01 1.28 0.03 0.81 16.69 436.95 00:20:00 1.47 0.12 1.33 0.02 3.60 17.89 365.02 00:30:20 1.95 0.25 1.67 0.03 31.02 75.71 422.61 00:40:13 23.47 3.04 18.12 2.31 229.97 3460.10 502.79 00:50:00 1.50 0.00 1.49 0.00 0.00 59.96 0.15 01:00:20 14.86 0.00 1.79 13.07 0.14 103.33 103120.50 Average: 7.46 0.57 4.26 2.64 44.00 616.77 18029.89 00:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:20 6274928 7527916 292112 3.59 31156 1427648 526820 5.74 445956 1188968 168 00:20:00 6270040 7523580 296356 3.64 31464 1427808 526304 5.73 445972 1189220 124 00:30:20 6227256 7508416 310936 3.82 31844 1454668 526380 5.73 457660 1207256 124 00:40:13 5180664 7386288 380156 4.67 87096 2278676 651520 7.10 613468 2040936 1512 00:50:00 5160800 7377996 388544 4.78 87252 2290152 674772 7.35 620104 2052572 324 01:00:20 5124376 7367804 398532 4.90 87424 2316196 670224 7.30 624352 2078720 1280 Average: 5706344 7448667 344439 4.24 59373 1865858 596003 6.49 534585 1626279 589 00:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:20 ens3 0.30 0.06 0.06 0.03 0.00 0.00 0.00 0.00 00:20:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:00 ens3 0.19 0.05 0.03 0.02 0.00 0.00 0.00 0.00 00:30:20 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:20 ens3 0.84 0.38 3.23 0.52 0.00 0.00 0.00 0.00 00:40:13 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:13 ens3 64.94 44.00 320.24 11.21 0.00 0.00 0.00 0.00 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 38.31 32.06 7.86 4.07 0.00 0.00 0.00 0.00 01:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:20 ens3 45.54 44.46 10.05 6.21 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 25.01 20.22 56.39 3.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33205) 07/06/26 _x86_64_ (2 CPU) 00:00:20 CPU %user %nice %system %iowait %steal %idle 00:10:20 all 0.28 0.00 0.10 0.01 0.03 99.58 00:10:20 0 0.17 0.00 0.11 0.01 0.03 99.68 00:10:20 1 0.39 0.00 0.09 0.01 0.02 99.49 00:20:00 all 0.46 0.00 0.21 0.01 0.03 99.30 00:20:00 0 0.40 0.00 0.19 0.01 0.03 99.38 00:20:00 1 0.52 0.00 0.23 0.01 0.03 99.21 00:30:20 all 0.42 0.00 0.19 0.02 0.03 99.35 00:30:20 0 0.28 0.00 0.17 0.01 0.02 99.51 00:30:20 1 0.57 0.00 0.20 0.02 0.03 99.18 00:40:13 all 12.25 0.00 1.70 0.54 0.05 85.45 00:40:13 0 13.83 0.00 1.92 0.71 0.05 83.49 00:40:13 1 10.68 0.00 1.49 0.38 0.05 87.41 00:50:00 all 5.69 0.00 0.52 0.03 0.07 93.71 00:50:00 0 4.84 0.00 0.49 0.01 0.07 94.59 00:50:00 1 6.53 0.00 0.54 0.04 0.06 92.81 01:00:20 all 8.42 0.00 0.64 0.03 0.05 90.86 01:00:20 0 7.71 0.00 0.62 0.02 0.05 91.59 01:00:20 1 9.13 0.00 0.66 0.03 0.05 90.12 Average: all 4.58 0.00 0.56 0.11 0.04 94.72 Average: 0 4.53 0.00 0.58 0.13 0.04 94.72 Average: 1 4.63 0.00 0.53 0.08 0.04 94.71